Students are making a scale model of the solar system they make mercury 1 cm in diameter. What are the best estimate for the skilled size of earth and Neptune? Move the best estimate into the table

Stage in which a typical star has completely stopped fusion

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth